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Petrified Wood
Petrified Wood

Opal
Opal



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Petrified Wood
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Opal

Petrified Wood and Opal Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Pearly
1.2 Pleochroism
Not Available
None
1.3 Dispersion
NoneNone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
Not Available1.37-1.52
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Petrified Wood and Opal Optic Character

Petrified Wood and Opal optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Petrified Wood and Opal Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Petrified Wood and Opal optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

Petrified Wood and Opal Transparency

Similar to their colors, Petrified Wood and Opal transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Petrified Wood is Not Available while Petrified Wood is Not Available in appearance.